Finding the Fourth Proportional to 2,163,997.50, 2,986,404.48 and 1,197,111.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,163,997.50 : 2,986,404.48 = 1,197,111.12 : x
2. Step 2: Convert to fraction form
   2,163,997.50/2,986,404.48 = 1,197,111.12/x
3. Step 3: Cross multiply
   2,163,997.50x = 2,986,404.48 × 1,197,111.12
4. Step 4: Simplify right side
   2,163,997.50x = 3,575,058,011,825.82
5. Step 5: Solve for x
   x = 3,575,058,011,825.82/2,163,997.50
6. Step 6: Final answer
   x = 1,652,061.99